X-Ray Optics and Instrumentation / 2010 / Article / Fig 5

Research Article

High-Energy X-Ray Microprobe System with Submicron Resolution for X-Ray Fluorescence Analysis of Uranium in Biological Specimens

Figure 5

High resolution μ-XRF image of the marked area in Figure 4(d) measured at 37 keV X-rays. (a) The two-dimensional distribution of uranium. The XRF intensities are estimated to the concentration of uranium. Beam size: 1.2 μm (V) × 1.4 μm (H), imaging area: 75 μm (V) × 57 μm (H), pixel size: 0.5 μm, and dwell time: 5 s. (b) X-ray fluorescence spectrum at arrow head in Figure 5(a). Measurement time is 600 s.

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